format
A 4 x 4 contingency table of income
by satisfaction
, with the following structure:
table [1:4, 1:4] 1 2 1 0 3 3 6 1 10 10 ...
- attr(*, "dimnames")=List of 2
..$ income : chr [1:4] "< 15k" "15-25k" "25-40k" "> 40k"
..$ satisfaction: chr [1:4] "VeryD" "LittleD" "ModerateS" "VeryS"source
Agresti, A. Categorical Data Analysis John Wiley & Sons, 2002,
Table 2.8, p. 57.